IIELIX §. 59. 207 



dermide in lineis elevatis radianlibus disposita , ad peripheriam 

 in ciliis modicis prodacta; anfract. 6, planis, ultimo ad peri- 

 pheriam acute angulato, basi convexo; apertura obliqua, lunata; 

 peristomale recto, acutp. — Lat. 6, alt. 3 lin.» (A.) 



Helix setocincta (Plectotropis) A. Adams in Ann. and Mag. 

 n. h. 4th. ser. I. 1868. p. 465. 



Habitat Sado, Awa-Sima Japoniae. 



Obs. «Affinis H. ciliosae Pfr., sed magis conica et epidermis ad pe- 

 ripheriam iongius ciiiata.» 



1279. H. percompressa W. Blanford. •J- 



«Testa aperte et pervie umbilicata, perdepressa, lenticu- 

 laris, tenuis, cornea, aculissime carinata, nitida, striis incre- 

 menli oblique curvatis notata. Spira fere plana, apice vix ex- 

 serto, sutura impressa marginata. Anfr. 5, convexi, ultimus 

 carina mediana acuta utrinque compressa instructus, circa um- 

 bllicum tumidior, non descendens. Apertura parum obliqua, 

 securiformis; peristom.a tenue, rectum. — Diam. maj.12, min. lOYa, 

 axis 3 mill.» (Bl.) 



Helix percompressdi (Sivella) W. Blanf. in Proc. Zool. Soc. 

 1869. p. 448. 



Habitat Bhamo in regtio Avae (J. Anderson). 



Obs. «Affinis H. sani Bens. et H. caslrae Bens., sed ulraque de- 

 pressior.» 



* 



1280. Sanis Bcns. -f V. 186. — Ins. Andaman. 



1281. semiconvcxa Pfr. IV. \\o. V. 186. — Ins. Soiomonis. 



1282. Cantoriana Bcns. -1- V. 186. — Trochomorpha Cantoriana Stol. 



in Journ. As. Soc. XLII. p. 22. t. 1. f. 13. — Pulo Sung-Sung 

 prope Pulo Pinang. 



1283. H. abrochroa Crosse. 4* 



« T. latissime umbilicata, depressa, lenticularis, tenuis, dia- 

 phana, nitidula, sublaevigata, vix oblique striatula, luteo-cornea, 

 unicolor; spira depressa, ^arum prominula; sutura marginata; 

 anfr. 5 sensim accrescentes, planati, embryonales ly^ laeves, 

 nitiduli, ultimus non descendens, acutissime carinatus, basi con- 

 vexiusculus, circa umbilicum magnum, perspeclivum angulatus; 

 apertura subquadrata , concolor; perist. simplex, acutum, mar- 

 ginibus disjunctis, distantibus, columellari vix dilatato, externo 

 angulato. — Diam. maj. 10, min. 9, alt. 3 mill. » (Cr.) 



p. pseudoplanorbis Mouss. : spira minus depressa (diam. 10, 

 alt. 6mill.); anfractu ultimo ad basin planiori, umbiHco minus 

 aperto. 



